com.ui4j.bytebuddy.instrumentation.method.bytecode.bind.annotation.Empty Maven / Gradle / Ivy
The newest version!
package com.ui4j.bytebuddy.instrumentation.method.bytecode.bind.annotation;
import com.ui4j.bytebuddy.instrumentation.Instrumentation;
import com.ui4j.bytebuddy.instrumentation.attribute.annotation.AnnotationDescription;
import com.ui4j.bytebuddy.instrumentation.method.MethodDescription;
import com.ui4j.bytebuddy.instrumentation.method.ParameterDescription;
import com.ui4j.bytebuddy.instrumentation.method.bytecode.bind.MethodDelegationBinder;
import com.ui4j.bytebuddy.instrumentation.method.bytecode.stack.assign.Assigner;
import com.ui4j.bytebuddy.instrumentation.method.bytecode.stack.constant.DefaultValue;
import java.lang.annotation.*;
/**
* Binds the parameter type's default value to the annotated parameter, i.e. {@code null} or a numeric value
* representing zero.
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.PARAMETER)
public @interface Empty {
/**
* A binder for the {@link com.ui4j.bytebuddy.instrumentation.method.bytecode.bind.annotation.Empty} annotation.
*/
static enum Binder implements TargetMethodAnnotationDrivenBinder.ParameterBinder {
/**
* The singleton instance.
*/
INSTANCE;
@Override
public Class getHandledType() {
return Empty.class;
}
@Override
public MethodDelegationBinder.ParameterBinding bind(AnnotationDescription.Loadable annotation,
MethodDescription source,
ParameterDescription target,
Instrumentation.Target instrumentationTarget,
Assigner assigner) {
return new MethodDelegationBinder.ParameterBinding.Anonymous(DefaultValue.of(target.getTypeDescription()));
}
}
}